California earthquakes

M2.1 earthquake 9 km NW of Belden, California

A magnitude 2.1 earthquake struck 9 km NW of Belden, California on Wed, Mar 13, 1985, 1:28 PM PST (21:28 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.0 1 km ESE of Anderson, California. This one was a foreshock.

Chester forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1985-03-13 21:28:44 UTC
Depth
3.8 km (2.4 mi), shallow
Epicenter
40.054° N, 121.338° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.9 km horizontally, 5.4 km in depth
Magnitude uncertainty
±0.34
Depth from
From location
Station coverage gap
178°
Stations used
13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.65 km W of La Porte, California · 15171 days ago · 12 km deep · 48 km away
  2. 1.97 km W of La Porte, California · 15171 days ago · 12 km deep · 48 km away
  3. 2.27 km W of La Porte, California · 15169 days ago · 7 km deep · 46 km away
  4. 1.96 km NE of Crescent Mills, California · 15166 days ago · 3 km deep · 42 km away
  5. 1.68 km ESE of Hat Creek, California · 15165 days ago · 3 km deep · 83 km away
  6. 1.79 km NNE of Mineral, California · 15165 days ago · 5 km deep · 45 km away
  7. 1.811 km WNW of Chester, California · 15164 days ago · 3 km deep · 34 km away
  8. 1.513 km N of Butte Meadows, California · 15161 days ago · 10 km deep · 25 km away
  9. 2.2Northern California · 15157 days ago · 5 km deep · 64 km away
  10. 2.313 km NNE of Mineral, California · 15156 days ago · 2 km deep · 49 km away
  11. 2.914 km E of Cottonwood, California · 15156 days ago · 11 km deep · 75 km away
  12. 2.313 km NNE of Mineral, California · 15154 days ago · 2 km deep · 49 km away
  13. 2.04 km ENE of Tobin, California · 15153 days ago · 12 km deep · 14 km away
  14. 3.01 km ESE of Anderson, California · 15152 days ago · 68 km deep · 91 km away
  15. 1.85 km WNW of Dobbins, California · 15151 days ago · 19 km deep · 73 km away
  16. 1.80 km NNW of Prattville, California · 15145 days ago · 3 km deep · 23 km away
  17. 2.111 km E of Red Bluff, California · 15145 days ago · 14 km deep · 67 km away
  18. 1.614 km NE of Proberta, California · 15144 days ago · 0 km deep · 61 km away
  19. 2.810 km E of Red Bluff, California · 15140 days ago · 10 km deep · 67 km away
  20. 1.812 km E of Red Bluff, California · 15140 days ago · 1 km deep · 65 km away
  21. 2.913 km NE of Proberta, California · 15140 days ago · -1 km deep · 65 km away
  22. 2.312 km ESE of Bend, California · 15140 days ago · 17 km deep · 65 km away
  23. 2.010 km E of Red Bluff, California · 15140 days ago · 4 km deep · 67 km away
  24. 2.17 km NNW of Richvale, California · 15138 days ago · 5 km deep · 67 km away
  25. 1.710 km E of Red Bluff, California · 15123 days ago · 3 km deep · 68 km away
  26. 1.912 km ENE of Bend, California · 15121 days ago · 7 km deep · 69 km away
  27. 2.31 km SW of Lake Almanor West, California · 15116 days ago · 3 km deep · 22 km away
  28. 2.412 km ENE of Shingletown, California · 15114 days ago · 35 km deep · 62 km away

Before

  1. 2.58 km WSW of La Porte, California · 15174 days ago · 14 km deep · 49 km away
  2. 1.98 km W of La Porte, California · 15174 days ago · 11 km deep · 47 km away
  3. 2.32 km WNW of La Porte, California · 15174 days ago · 12 km deep · 49 km away
  4. 1.86 km ENE of Chico, California · 15174 days ago · 22 km deep · 50 km away
  5. 1.513 km NE of Butte Meadows, California · 15177 days ago · 2 km deep · 17 km away
  6. 2.21 km NNW of Plumas Eureka, California · 15177 days ago · 3 km deep · 64 km away
  7. 1.79 km W of Cottonwood, California · 15178 days ago · 5 km deep · 96 km away
  8. 2.53 km S of Graeagle, California · 15181 days ago · 4 km deep · 70 km away
  9. 2.53 km N of Plumas Eureka, California · 15182 days ago · -1 km deep · 64 km away
  10. 1.714 km NNE of Mineral, California · 15185 days ago · 3 km deep · 48 km away
  11. 1.921 km S of Nubieber, California · 15191 days ago · 13 km deep · 95 km away
  12. 2.015 km SW of Lake Almanor West, California · 15191 days ago · 8 km deep · 9 km away
  13. 2.115 km NNE of Shingletown, California · 15194 days ago · 13 km deep · 75 km away
  14. 1.817 km ENE of Mineral, California · 15197 days ago · 7 km deep · 42 km away
  15. 2.316 km ENE of Mineral, California · 15197 days ago · 3 km deep · 41 km away
  16. 1.617 km ENE of Mineral, California · 15197 days ago · 8 km deep · 42 km away
  17. 2.317 km ENE of Mineral, California · 15198 days ago · 6 km deep · 42 km away
  18. 1.8Northern California · 15198 days ago · 10 km deep · 77 km away
  19. 1.816 km ENE of Mineral, California · 15198 days ago · 6 km deep · 41 km away
  20. 3.38 km NW of Old Station, California · 15198 days ago · 9 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc43824. Read Mon, Sep 28, 2026, 3:54 AM UTC.